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101072 (1998 RN18)
Classification: Main-belt Asteroid          SPK-ID: 2101072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190675823954866 3.4538e-08  
a 2.563688558848529 9.7365e-09 au
q 2.002067504246613 8.7873e-08 au
i 3.60462705584848 5.4347e-06 deg
node 200.4749402250962 9.0214e-05 deg
peri 129.495175857323 9.2223e-05 deg
M 114.1739811516772 2.0097e-05 deg
tp 2458524.988561125903
(2019-Feb-10.48856113)
8.1907e-05 TDB
period 1499.326871743757
4.10
8.5413e-06
2.338e-08
d
yr
n .2401077488735398 1.3678e-09 deg/d
Q 3.125309613450446 1.1869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      10715 days (29.34 yr)  
   first obs. used      1990-10-14  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59943  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:36  

Additional Information
 Earth MOID = .993656 au 
 Jupiter MOID = 2.25375 au 
 T_jup = 3.397 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO449612  

101072 (1998 RN18)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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